If line l in the xy-coordinate plane has a positive slope, what is the x-intercept of l ? (1) there are different points (a, b) and (c, d) on line l such that ad = bc. (2) there are constants m and n such that the points (m, n) and (–m, –n) are both on line l.

The x-intercept of L is 0

Step-by-step explanation:

1)  If (a,b) and (c,d) belongs to theline L, then the equation of the line using two-points formula  will be:

if we want to find the x-intercept of L we should set y=0.

getting x from that equation we will have :

using distributive propertie and common denominator will be obtain

x=

as we know that ad=bc the numerator will be equal to zero. Then x=0.

2) Using the same equation of line but using the points(m,n) and (-m, -n) we will set it as:

if we want to find the x-intercept of L we should set y=0.

getting x from that equation we will have :

them

x = 0

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step-by-step explanation:

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step-by-step explanation: